SIGSEGV Crashes

[retosiegfried]

Hello,

we keep seeing crashes in our app that seem to be related to the splunk sdk. Stacktrace:

libswiftCore.dylib 0x000000019e86bd84 _StringGuts.validateInclusiveCharacterIndex(_:) (in libswiftCore.dylib) + 84
libswiftCore.dylib 0x000000019e86bdb4 _StringGuts.validateInclusiveCharacterIndex(_:) (in libswiftCore.dylib) + 132
Foundation 0x000000019ec2f47c -[NSFunctionExpression initWithCoder:] (in Foundation) + 616
Foundation 0x000000019ec2f86c -[NSKeyedUnarchiver decodeInt64ForKey:] (in Foundation) + 112
Foundation 0x000000019ec2f4f0 -[NSFunctionExpression initWithCoder:] (in Foundation) + 732
Foundation 0x000000019ec2dcb4 -[NSKeyValueMethodSetter initWithContainerClassID:key:method:] (in Foundation) + 860
Foundation 0x000000019ec2f5f4 -[NSFunctionExpression initWithCoder:] (in Foundation) + 992
Foundation 0x000000019ec2dcb4 -[NSKeyValueMethodSetter initWithContainerClassID:key:method:] (in Foundation) + 860
Foundation 0x000000019ec30044 _NSConvertToASCIIorUnicode2 (in Foundation) + 488
Foundation 0x000000019ec2f5c0 -[NSFunctionExpression initWithCoder:] (in Foundation) + 940
Foundation 0x000000019ecb140c NSAttributedString.init<A>(_:including:) (in Foundation) + 708
Foundation 0x000000019ecb1194 NSAttributedString.init<A>(_:including:) (in Foundation) + 76
XXXXXXXXXXX 0x0000000106b93edc ZipkinTraceExporter.export(spans:) (in XXXXXXXXXXX) (ZipkinTraceExporter.swift:29)
XXXXXXXXXXX 0x0000000106b94318 protocol witness for SpanExporter.export(spans:) in conformance ZipkinTraceExporter (in XXXXXXXXXXX) (<compiler-generated>:0)
XXXXXXXXXXX 0x0000000106bdd150 RetryExporter.export(spans:) (in XXXXXXXXXXX) (RetryExporter.swift:55)XXXXXXXXXXX 0x0000000106bdd1d4 protocol witness for SpanExporter.export(spans:) in conformance RetryExporter (in XXXXXXXXXXX) (<compiler-generated>:0)
XXXXXXXXXXX 0x0000000106b86d30 protocol witness for SpanExporter.export(spans:) in conformance LimitingExporter (in XXXXXXXXXXX) (<compiler-generated>:89)
XXXXXXXXXXX 0x0000000106bd7f84 closure #1 in BatchWorker.exportAction(spanList:) (in XXXXXXXXXXX) (<compiler-generated>:0)
XXXXXXXXXXX 0x0000000106bd8514 specialized Sequence.forEach(_:) (in XXXXXXXXXXX) (<compiler-generated>:0)
XXXXXXXXXXX 0x0000000106bd7c70 closure #1 in BatchWorker.exportBatch(spanList:explicitTimeout:) (in XXXXXXXXXXX) (<compiler-generated>:0)
XXXXXXXXXXX 0x0000000106bd9130 thunk for @escaping @callee_guaranteed @Sendable () -> () (in XXXXXXXXXXX) (<compiler-generated>:0)
Foundation 0x000000019ebfd8c0 _NSKeyValueObservationInfoGetObservances (in Foundation) + 372
Foundation 0x000000019ebfd780 _NSKeyValueObservationInfoGetObservances (in Foundation) + 52
Foundation 0x000000019ebfd580 NSKeyValueWillChange (in Foundation) + 124
Foundation 0x000000019ebfb820 _decodeObjectBinary (in Foundation) + 2264
Foundation 0x000000019ec80268 StringProtocol._asContiguousUTF8Substring(from:) (in Foundation) + 32
Foundation 0x000000019ec7feb4 StringProtocol.components<A>(separatedBy:) (in Foundation) + 636
libdispatch.dylib 0x00000001a7c6de5c libdispatch_init (in libdispatch.dylib) + 196
libdispatch.dylib 0x00000001a7c5edd4 -[OS_dispatch_queue_attr init] (in libdispatch.dylib) + 0
libdispatch.dylib 0x00000001a7c622d8 _dispatch_queue_override_invoke (in libdispatch.dylib) + 556
libdispatch.dylib 0x00000001a7c61988 _dispatch_set_priority_and_mach_voucher_slow (in libdispatch.dylib) + 276
libdispatch.dylib 0x00000001a7c70894 _dispatch_worker_thread (in libdispatch.dylib) + 36
libdispatch.dylib 0x00000001a7c7109c _dispatch_mgr_priority_raise (in libdispatch.dylib) + 208
libsystem_pthread.dylib 0x00000001fc8088f8 pthread_from_mach_thread_np (in libsystem_pthread.dylib) + 72
libsystem_pthread.dylib 0x00000001fc8050cc pthread_testcancel (in libsystem_pthread.dylib) + 36 

I have redacted our app package.
Thanks for checking.